linux-ext4 - Re: Aarch64 EXT4FS inode checksum failures - seems to be weak memory ordering issues

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Date:   Fri, 8 Jan 2021 10:13:23 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Theodore Ts'o <tytso@....edu>
Cc:     Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...nel.org>, Will Deacon <will@...nel.org>,
        linux-toolchains@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Ext4 Developers List <linux-ext4@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: Aarch64 EXT4FS inode checksum failures - seems to be weak memory
 ordering issues

On Thu, Jan 07, 2021 at 11:27:22AM -0500, Theodore Ts'o wrote:
> I will note that RHEL 7 uses gcc 4.8.  I personally don't have an
> objections to requiring developers using RHEL 7 to have to install a
> more modern gcc (since I use Debian Testing and gcc 10.2.1, myself,
> and gcc 5.1 is so five years ago :-), but I could imagine that being
> considered inconvenient for some.

The kernel minimum (4.9) is already past that, so RHEL7 people are
already out in the cold.